Guide · 4 steps · ~2 min
Read the meter overnight.
No-use test: if the meter moves, you have flow — hunt it before tips.
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Step 1
Find the dial or digital total
Locate the meter (curb box, basement, utility closet). Note units and the low-flow / leak indicator if present.
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Step 2
Shut off all use
No ice makers, irrigation, or “someone will just rinse a glass.” Utility guidance often says after two hours with no use, the meter should not have changed.
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Step 3
Watch or re-read
If the leak indicator spins or the total climbs, you have continuous flow. Isolate the house shutoff to separate indoor vs service/irrigation.
Full leak checklist -
Step 4
Dye-test toilets next
Add dye or food coloring to the tank; wait 5–10 minutes without flushing. Color in the bowl = flapper/fill path leak.
Silent toilet leak cost
Lock in the savings with the next step below.
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